Authorities are seeking the public’s help. They will reportedly release photos of potential suspects on April 18, in hopes of identifying the men in question.

A new set of photos from the Boston Marathon were revealed on April 18, showcasing two men mysteriously carrying bags in one image, and then not in another. Authorities are allegedly seeking the identity of those two men as well as others who could be potential suspects in the horrific bombings on April 15. They’ll release a full set of photos on April 18, hoping that the public may help in identifying the potential perpetrators.

Boston Suspect Photos — Authorities Releasing Pics

Two suspects were reportedly seen separately on videotape — one at each of the two bombing sites. An anonymous law-enforcement official told The Boston Globe that the clearest images come from a surveillance camera on the same side of Boylston Street as the explosions, not the Lord & Taylor surveillance camera that was reported on April 17.